Reprographics

Letter copying press

• https://archivesandheritageblog.libraries.tas.gov.au/back-to-the-office-with-a-victorian-letter-copying-press/

https://www.officemuseum.com/copy_machines.htm

Cyclostyle

Edison's Electric Pen

• https://electricpen.org/#overview

Handwritten textbook made using lithography

• A Key to some of the dialogues of Lucian (1829): https://www.google.com/books/edition/A_Key_to_Some_of_the_Dialogues_of_Lucian/tXQ_XDR2Lm8C?hl=en&gbpv=1&dq=%22a+key+to+some+of+the+dialogues+of+lucian%22&printsec=frontcover
• Ryde's hydraulic tables (1851)
• see Twyman 2001, around 149

On saving previously erroneous metadata or (bad) earlier facsimiles: https://shambandinel.wordpress.com/2019/01/31/harry-potter-and-the-problem-of-version-controlling-digital-surrogates/